20R-1636: Caterpillar Reman Injector Hydraulic Pump 20R-1636 | HEUI Actuating Pump for CAT C9 – Fits D6R D7R 637G
Product Details
| **Exact OE Fitment** – Replaces: | 1. Replaces 319-0676 / 20R-1636 / 384-0677 / 384-0678 / 476-8766 / 476-8769 / 384-0607; Cross-refers To 204-4945, 476-8768, 20R-1635, 20R-1649 And 10R-8900. | **Precision HEUI Actuation**: | Supplies Stable High Oil Pressure To Drive HEUI Unit Injectors For Precise Injection Timing And Metering. |
|---|---|---|---|
| **Wide C7/C9 Coverage**: | Fits CAT 3126E, C7, C7.2 And C9 Engines In Excavators (324D–340D), Tractors (D6R, D7R), Scrapers (637D–637G), Motor Graders (12H–160K) And Loaders (525C–545C). | 100% Bench Tested: | Every Unit Pressure- And Flow-tested Before Shipment; Sealing Surfaces Protected For Safe Handling. |
| Ready To Install: | OEM-spec Mounting, Hardened Gears And Seals Per OE Design. | Full After-Sales Support: | 3-month Warranty, Worldwide Shipping And Responsive Technical Support. |
| Highlight |
Caterpillar Reman Injector Hydraulic Pump,HEUI Actuating Pump for CAT C9,Hydraulic Pump for D6R D7R 637G |
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Product Description
20R-1636: Caterpillar Reman Injector Hydraulic Pump 20R-1636 | HEUI Actuating Pump for CAT C9 – Fits D6R D7R 637G
This Cat Reman injector hydraulic pump (HEUI actuating pump) is a high-quality replacement for Caterpillar C9 HEUI fuel injection systems. It replaces OE part number 20R-1636, cross-referenced to 384-0678, 476-8769 and 10R-8900. The pump builds and maintains the high oil pressure required to actuate HEUI unit injectors, delivering precise injection timing and metering for reliable starting, stable idle and full rated power. Hardened pumping gears and precision-machined housing stand up to sustained high-pressure operation, with OEM-spec mounting and sealing surfaces for a leak-free, bolt-on fit. Every unit is bench-tested for pressure and flow before shipment. Fits Caterpillar track-type tractors (D6R, D7R), wheel tractor-scrapers (637E, 637G), hydraulic excavators (E330D, E336D), the 586C scraper, compactors (814F, 815F, 816F) and generator sets (D250GC, D300GC). Export-packed, 12-month warranty and responsive technical support. Aftermarket replacement part — not a genuine Caterpillar product. "Caterpillar" and "CAT" are trademarks of their respective owners, used for reference only.
We are a professional manufacturing factory dedicated to diesel engine spare parts. Our core product line covers diesel fuel injectors, injector nozzles, fuel injection pumps and complete injector repair kits. Backed by steady in-house stock, rigorous quality inspection and direct factory pricing, we partner with global wholesalers, maintenance workshops and machinery enterprises. We deliver premium reliable spare parts, fast lead time and all-round one-stop export service. We warmly welcome your inquiries and long-term business cooperation.
| # | Question | Answer |
|---|---|---|
| 1 | Is this a genuine Caterpillar part? | No, it is an aftermarket replacement. |
| 2 | Which engines does it fit? | CAT C7 & C9 engines (3126E). |
| 3 | Which OE numbers? | 384-0677, 476-8766, 319-0676… |
| 4 | Is it new or remanufactured? | New or reman; bench-tested before shipping. |
| 5 | Does it need coding after install? | No. This pump needs no coding. |
| 6 | What warranty do you offer? | 12-month warranty on defects. |
| Part No. | OE Cross Reference | Type / Reman | Engine Fitment | Key Applications |
|---|---|---|---|---|
| 319-0676 | 204-4945 | HEUI HP oil pump | C9 | 330C(FM/L/MH/LN),TK711–TK732,12H |
| 319-0607 | 384-0607 · 271-2234 · 2R0819 | HEUI actuator pump | C-9 | E330C |
| 20R-1636 | 384-0678 · 476-8769 · 10R-8900 | Cat Reman Injector Hydraulic Pump | C9 | D6R, D7R, 637E/637G, E330D, E336D, 586C, 814F–816F, D250GC/D300GC |
| 384-0677 | 20R-1635(Reman) | PUMP GP · HEUI | C7 · C9 | 324D, 325D FM, 330D, 336D, 340D L, E336D |
| 384-0678 | 20R-1636(Reman)· T402521 | HEUI actuator pump | C9 | D7R, D6R, 637E/637D/637G, E330D, E336D |
| 476-8766 | 20R-1635(Reman)· 254-4358* | HEUI actuator pump · rebuilt | C7 | 330C, 324D, 329D, 330D, 336D, E325D, E329D, E336D |
| 476-8769 | 20R-1636(Reman)· 384-0678 | Hydraulic Injector Pump Group · 12V | C9 | 586C, 637E/637G/637D, D6R III, D7R, 814F/815F/816F, D250GC/D300GC, 330D/336D |
| 384-0607 | 476-8768 · 20R-1649(Reman)· 319-0607 | PUMP GP · HEUI | C7 · C7.2 · C9 | 120K/12K/12M, 140K/140M, 160K, 525C/535C/545C, 521B/522B, E330C, E330D2 |
Product Highlights
20R-1636: Caterpillar Reman Injector Hydraulic Pump 20R-1636 | HEUI Actuating Pump for CAT C9 – Fits D6R D7R 637G This Cat Reman injector hydraulic pump (HEUI actuating pump) is a high-quality replacement for Caterpillar C9 HEUI fuel injection systems. It replaces OE part number 20R-1636, cross...
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